Comparison

Flexi vs ZeroSugar

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Flexi

Features
Read full description

Flexi makes tracking your workouts fast, simple, and social. Log exercises, sets, and reps in seconds β€” then challenge your friends and climb the leaderboard. Whether you're just starting out or chasing new PRs, Flexi gives you everything you need to stay consistent and motivated. TRACK YOUR WORKOUTS - Log sets, reps, and weight for every exercise - Browse a built-in exercise database with instructions - Track workout duration with automatic session timing - Edit past workouts anytime AI PERSONAL TRAINER - Get personalized guidance and tips powered by AI - Ask questions about exercises, form, and programming - Your smart training partner, available anytime CHALLENGE YOUR FRIENDS - Create or join group challenges with custom goals - Compete on real-time leaderboards - Set daily caps to keep things fair - Check in your progress and watch others do the same STAY MOTIVATED - See your workout history at a glance - Build streaks and stay consistent - Join groups to train with friends, teammates, or communities BUILT FOR YOU - Clean, minimal design that gets out of your way - Works offline β€” your data is always available - Available in English, Norwegian, French, and Spanish Start tracking smarter. Download Flexi today. Terms of Use: https://www.trainflexi.com/terms

About

ZeroSugar

Features
Read full description

Zero Sugar helps you commit to sugar-free challenges and actually stick with them. Set your goal, check in once a day, and watch your streak grow on a beautiful calendar. Instead of complicated diet plans or calorie counting, Zero Sugar focuses on one simple habit: avoiding added sugar. The app turns your goal into a clear daily commitment you can track, celebrate, and restart whenever you’re ready.

Screenshots

Flexi4 screens
ZeroSugar4 screens

Verdict

The call

The clearest difference is in-app purchases: ZeroSugar at none against Flexi's 3. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Flexi sells 3 in-app purchases, starting at $7.99 per month. ZeroSugar asks for nothing beyond the download.

Scorecard1 real difference Β· 5 level
Flexi versus ZeroSugar: the parameters behind the verdict, then further details
ParameterFlexiZeroSugar
PriceFreeFree
Update frequencyWeeklyβ€”
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details β€” not scored
Size46 MB31 MB
Age rating12+4+
DeveloperSimen MathiesenVan Cong Duong

In-app purchases

3 purchases

Flexi

Subscriptions2
  • Flexi Pro Monthly$7.991 Month
  • Flexi Pro Annual$49.991 Year
One-time1
  • Flexi Pro Lifetime$59.99
None

ZeroSugar

No in-app purchases

Questions

Is Flexi free?
Flexi is free to download, with in-app purchases available.
Is ZeroSugar free?
ZeroSugar is free to download, with no in-app purchases.
Do Flexi or ZeroSugar have ads?
Neither Flexi nor ZeroSugar shows ads.

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